342721363329 has 16 divisors (see below), whose sum is σ = 534458267200. Its totient is φ = 216455597568.

The previous prime is 342721363289. The next prime is 342721363373. The reversal of 342721363329 is 923363127243.

342721363329 is a `hidden beast` number, since 3 + 4 + 2 + 7 + 2 + 1 + 3 + 633 + 2 + 9 = 666.

It is not a de Polignac number, because 342721363329 - 2³³ = 334131428737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342721563329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334035904 + ... + 334036929.

It is an arithmetic number, because the mean of its divisors is an integer number (33403641700).

Almost surely, 2^342721363329 is an apocalyptic number.

It is an amenable number.

342721363329 is a deficient number, since it is larger than the sum of its proper divisors (191736903871).

342721363329 is a wasteful number, since it uses less digits than its factorization.

342721363329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668072861 (or 668072855 counting only the distinct ones).

The product of its digits is 979776, while the sum is 45.

The spelling of 342721363329 in words is "three hundred forty-two billion, seven hundred twenty-one million, three hundred sixty-three thousand, three hundred twenty-nine".